Run results for: Symbol vs String property square bracket vs dot notation

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Symbol

198.7M/s

dot notation

197.9M/s

String

192.6M/s

View exact numbers

Script Preparation code:

var foo = {};
var sym = Symbol("key");
var str = "key";

Tests: